Microphones and earphones for speech communications Ingestion-build-47786 ADSS cables and other constructions

ADSS cables and other constructions intended for high-voltage applications are not covered by BS EN 60794-3-20

Why should you use BS 984 – Net mass of packages

Marking and other information

Integration of nullable value types

Microphones and earphones for speech communications Ingestion-build-47786 ADSS cables and other constructions1 Scope This standard applies to the microphone part and earphone part of handsets, headsets or earsets for speech communications, and also to the microphone units and earphone units of built in handsets, headsets or earsets. The object of this standard is to establish definitions relating to these electroacoustic transducers, and to standardize the characteristics to be specified and the relevant methods of measurement. This does not exclude the use